<template>
  <div class="app-container">
    <el-row>
      <el-form v-show="showSearch" ref="queryForm" :model="queryParams" :inline="true" label-width="120px">
        <el-form-item label="角色名称" prop="name" class="search-item">
          <el-input v-model.trim="queryParams.name" class="search-input" placeholder="请输入角色名称" clearable size="small" style="width: 240px" />
        </el-form-item>
        <el-form-item label="权限字符" prop="roleKey" class="search-item">
          <el-input v-model.trim="queryParams.roleKey" class="search-input" placeholder="请输入权限字符" clearable size="small" style="width: 240px" />
        </el-form-item>
        <el-form-item label="状态" prop="status" class="search-item">
          <el-select v-model="queryParams.status" class="search-input" placeholder="角色状态" clearable size="small" style="width: 240px">
            <el-option v-for="dict in dict.type.sys_normal_disable" :key="dict.value" :label="dict.label" :value="dict.value" />
          </el-select>
        </el-form-item>
        <el-col :span="24">
          <el-form-item label=" ">
            <el-button type="primary" icon="el-icon-search" size="small" @click="handleQuery">搜索</el-button>
            <el-button icon="el-icon-setting" size="small" @click="resetQuery">重置</el-button>
          </el-form-item>
        </el-col>
      </el-form>
    </el-row>
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button v-hasPermi="['system:role:add']" type="primary" plain icon="el-icon-plus" size="mini" @click="handleAdd">新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button v-hasPermi="['system:role:edit']" type="success" plain icon="el-icon-edit" size="mini" :disabled="single" @click="handleUpdate">修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button v-hasPermi="['system:role:remove']" type="danger" plain icon="el-icon-delete" size="mini" :disabled="multiple" @click="handleDelete">删除</el-button>
      </el-col>
      <right-toolbar :show-search.sync="showSearch" @queryTable="getList" />
    </el-row>

    <el-table v-loading="loading" :data="roleList" border stripe @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="角色编号" prop="id" align="center" />
      <el-table-column label="角色名称" prop="name" :show-overflow-tooltip="true" align="center" />
      <el-table-column label="权限字符" prop="roleKey" :show-overflow-tooltip="true" align="center" />
      <el-table-column label="显示顺序" prop="seq" align="center" />
      <el-table-column label="状态" align="center" width="100">
        <template slot-scope="scope">
          <el-switch v-model="scope.row.status" :disabled="scope.row.id == 1" active-value="Y" inactive-value="N" @change="handleStatusChange(scope.row)" />
        </template>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime" width="160">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template>
      </el-table-column>
      <el-table-column label="操作" fixed="right" align="center" width="180" class-name="small-padding fixed-width">
        <template v-if="scope.row.id !== 1" slot-scope="scope">
          <el-button v-hasPermi="['system:role:edit']" size="mini" type="text" icon="el-icon-edit" @click="handleUpdate(scope.row)">修改</el-button>
          <el-button v-hasPermi="['system:role:remove']" size="mini" type="text" icon="el-icon-delete" @click="handleDelete(scope.row)">删除</el-button>
          <el-dropdown v-hasPermi="['system:role:edit']" size="mini" @command="(command) => handleCommand(command, scope.row)">
            <span class="el-dropdown-link">
              <i class="el-icon-d-arrow-right el-icon--right" />更多
            </span>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item v-hasPermi="['system:role:edit']" command="handleAuthUser" icon="el-icon-user">分配用户</el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
        </template>
      </el-table-column>
    </el-table>

    <pagination v-show="total>0" :total="total" :page.sync="queryParams.pageNumber" :limit.sync="queryParams.pageSize" @pagination="getList" />

    <!-- 添加或修改角色配置对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-form-item label="角色名称" prop="name">
          <el-input v-model.trim="form.name" class="search-input-no-width" placeholder="请输入角色名称" maxlength="30" show-word-limit />
        </el-form-item>
        <el-form-item prop="roleKey">
          <span slot="label">
            <el-tooltip content="控制器中定义的权限字符，如：@PreAuthorize(`@ss.hasRole('admin')`)" placement="top">
              <i class="el-icon-question" />
            </el-tooltip>
            权限字符
          </span>
          <el-input v-model.trim="form.roleKey" class="search-input-no-width" placeholder="请输入权限字符" maxlength="40" show-word-limit />
        </el-form-item>
        <el-form-item label="角色顺序" prop="seq">
          <el-input-number v-model="form.seq" class="search-input-no-width" controls-position="right" :min="0" :max="99999" :precision="0" />
        </el-form-item>
        <el-form-item label="状态">
          <el-radio-group v-model="form.status">
            <el-radio v-for="dict in dict.type.sys_normal_disable" :key="dict.value" :label="dict.value">{{ dict.label }}</el-radio>
          </el-radio-group>
        </el-form-item>
        <el-form-item label="菜单权限">
          <el-checkbox v-model="menuExpand" @change="handleCheckedTreeExpand($event, 'menu')">展开/折叠</el-checkbox>
          <el-checkbox v-model="menuNodeAll" @change="handleCheckedTreeNodeAll($event, 'menu')">全选/全不选</el-checkbox>
          <el-checkbox v-model="menuCheckStrictly" @change="handleCheckedTreeConnect($event, 'menu')">父子联动</el-checkbox>
          <el-tree ref="menu" class="tree-border" :data="menuOptions" show-checkbox node-key="id" :check-strictly="!menuCheckStrictly" empty-text="加载中，请稍后" :props="defaultProps" />
        </el-form-item>
        <el-form-item label="备注">
          <el-input v-model="form.remark" type="textarea" class="mult-text" placeholder="请输入内容" maxlength="200" show-word-limit />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listRole, getRole, delRole, addRole, updateRole, dataScope, changeRoleStatus } from '@/api/system/role'
import { treeselect as menuTreeselect, roleMenuTreeselect } from '@/api/system/menu'

export default {
  name: 'Role',
  dicts: ['sys_normal_disable'],
  data () {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 角色表格数据
      roleList: [],
      // 弹出层标题
      title: '',
      // 是否显示弹出层
      open: false,
      menuExpand: false,
      menuNodeAll: false,
      menuCheckStrictly: true,
      // 数据范围选项
      dataScopeOptions: [
        {
          value: '1',
          label: '全部数据权限'
        },
        {
          value: '2',
          label: '自定数据权限'
        },
        {
          value: '3',
          label: '本部门数据权限'
        },
        {
          value: '4',
          label: '本部门及以下数据权限'
        },
        {
          value: '5',
          label: '仅本人数据权限'
        }
      ],
      // 菜单列表
      menuOptions: [],
      // 查询参数
      queryParams: {
        pageNumber: 1,
        pageSize: 10,
        name: undefined,
        roleKey: undefined,
        status: undefined
      },
      // 表单参数
      form: {},
      defaultProps: {
        children: 'children',
        label: 'label'
      },
      // 表单校验
      rules: {
        name: [
          { required: true, message: '角色名称不能为空', trigger: 'blur' }
        ],
        roleKey: [
          { required: true, message: '权限字符不能为空', trigger: 'blur' }
        ],
        seq: [
          { required: true, message: '角色顺序不能为空', trigger: 'blur' }
        ]
      }
    }
  },
  created () {
    this.getList()
  },
  methods: {
    /** 查询角色列表 */
    getList () {
      this.loading = true
      listRole(this.queryParams).then(
        response => {
          this.roleList = response.data.records
          this.total = response.data.total
          this.loading = false
        }
      )
    },
    /** 查询菜单树结构 */
    getMenuTreeselect () {
      menuTreeselect().then(response => {
        this.menuOptions = response.data
      })
    },
    // 所有菜单节点数据
    getMenuAllCheckedKeys () {
      // 目前被选中的菜单节点
      const checkedKeys = this.$refs.menu.getCheckedKeys()
      // 半选中的菜单节点
      const halfCheckedKeys = this.$refs.menu.getHalfCheckedKeys()
      checkedKeys.unshift.apply(checkedKeys, halfCheckedKeys)
      return checkedKeys
    },
    /** 根据角色ID查询菜单树结构 */
    getRoleMenuTreeselect (id) {
      return roleMenuTreeselect(id).then(response => {
        this.menuOptions = response.menus
        return response
      })
    },
    // 角色状态修改
    handleStatusChange (row) {
      const text = row.status === 'Y' ? '启用' : '停用'
      this.$modal.confirm('确认要"' + text + '""' + row.name + '"角色吗？').then(function () {
        return changeRoleStatus(row.id, row.status)
      }).then(() => {
        this.$modal.msgSuccess(text + '成功')
      }).catch(function () {
        row.status = row.status === 'Y' ? 'N' : 'Y'
      })
    },
    // 取消按钮
    cancel () {
      this.open = false
      this.reset()
    },
    // 表单重置
    reset () {
      if (this.$refs.menu !== undefined) {
        this.$refs.menu.setCheckedKeys([])
      }
      this.menuExpand = false
      this.menuNodeAll = false
      this.menuCheckStrictly = true
      this.form = {
        id: undefined,
        name: undefined,
        roleKey: undefined,
        seq: 0,
        status: 'Y',
        menuIds: [],
        remark: undefined
      }
      this.resetForm('form')
    },
    /** 搜索按钮操作 */
    handleQuery () {
      this.queryParams.pageNumber = 1
      this.getList()
    },
    /** 重置按钮操作 */
    resetQuery () {
      this.resetForm('queryForm')
      this.handleQuery()
    },
    // 多选框选中数据
    handleSelectionChange (selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length !== 1
      this.multiple = !selection.length
    },
    // 更多操作触发
    handleCommand (command, row) {
      switch (command) {
        case 'handleAuthUser':
          this.handleAuthUser(row)
          break
        default:
          break
      }
    },
    // 树权限（展开/折叠）
    handleCheckedTreeExpand (value, type) {
      if (type === 'menu') {
        const treeList = this.menuOptions
        for (let i = 0; i < treeList.length; i++) {
          this.$refs.menu.store.nodesMap[treeList[i].id].expanded = value
        }
      }
    },
    // 树权限（全选/全不选）
    handleCheckedTreeNodeAll (value, type) {
      if (type === 'menu') {
        this.$refs.menu.setCheckedNodes(value ? this.menuOptions : [])
      }
    },
    // 树权限（父子联动）
    handleCheckedTreeConnect (value, type) {
      // console.log(value)
      if (type === 'menu') {
        this.menuCheckStrictly = !!value
      }
    },
    /** 新增按钮操作 */
    handleAdd () {
      this.reset()
      this.getMenuTreeselect()
      this.open = true
      this.title = '添加角色'
    },
    /** 修改按钮操作 */
    handleUpdate (row) {
      if (row.id === 1 || (this.ids && this.ids.indexOf(1) > -1)) {
        this.$modal.msgError('超级管理员角色不能修改')
        return
      }
      this.reset()
      const roleId = row.id || this.ids
      const roleMenu = this.getRoleMenuTreeselect(roleId)
      getRole(roleId).then(response => {
        this.form.id = response.data.id
        this.form.roleKey = response.data.roleKey
        this.form.name = response.data.name
        this.form.seq = response.data.seq
        this.form.remark = response.data.remark
        this.form.status = response.data.status
        this.form.menuIds = response.data.menuIds
        // this.form = response.data
        this.open = true
        this.$nextTick(() => {
          roleMenu.then(res => {
            const checkedKeys = res.data.checkedKeys
            this.menuOptions = res.data.menus
            checkedKeys.forEach((v) => {
              this.$nextTick(() => {
                this.$refs.menu.setChecked(v, true, false)
              })
            })
          })
        })
        this.title = '修改角色'
      })
    },
    /** 分配用户操作 */
    handleAuthUser: function (row) {
      const roleId = row.id
      this.$router.push('/system/role-auth/user/' + roleId)
    },
    /** 提交按钮 */
    submitForm: function () {
      this.$refs['form'].validate(valid => {
        if (valid) {
          if (this.form.id !== undefined) {
            this.form.menuIds = this.getMenuAllCheckedKeys()
            updateRole(this.form).then(response => {
              this.$modal.msgSuccess('修改成功')
              this.open = false
              this.getList()
            })
          } else {
            this.form.menuIds = this.getMenuAllCheckedKeys()
            addRole(this.form).then(response => {
              this.$modal.msgSuccess('新增成功')
              this.open = false
              this.getList()
            })
          }
        }
      })
    },
    /** 删除按钮操作 */
    handleDelete (row) {
      if (row.id === 1 || (this.ids && this.ids.indexOf(1) > -1)) {
        this.$modal.msgError('超级管理员角色不能删除')
        return
      }
      const roleIds = row.id || this.ids
      this.$modal.confirm('是否确认删除角色编号为"' + roleIds + '"的数据项？').then(function () {
        return delRole(roleIds)
      }).then(() => {
        this.getList()
        this.$modal.msgSuccess('删除成功')
      }).catch(() => { })
    }
  }
}
</script>
